H3C UniServer R4900 G3 12 LFF Server Base (H3C-UN-R4900-G3-12LFF-C-BASE) - Form Factor: 2U Rackmount, Processor: No CPU, RAM: No Memory, Storage: No Hard Drive, Network Controller: 4 x 1GbE, External Optical Drive, On-Board Devices: Embedded RAID Controller (SATA RAID 0, 1, 5, 10), Connectivity: Rear 1 x VGA connector and 1 x serial port, 5 × USB 3.0 Connectors (one at the front, two at the rear, and two in the server), PCIe Slots: 10 x PCie 3.0, Power Supply: Platinum 850W (1/2)